Home / 151,757.12-209,444.64-84,703.04

Finding the Fourth Proportional to 151,757.12, 209,444.64 and 84,703.04

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Solution

The fourth proportional to 151,757.12, 209,444.64 and 84,703.04 is: 116,901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,757.12 : 209,444.64 = 84,703.04 : x
  2. Step 2: Convert to fraction form
    151,757.12/209,444.64 = 84,703.04/x
  3. Step 3: Cross multiply
    151,757.12x = 209,444.64 × 84,703.04
  4. Step 4: Simplify right side
    151,757.12x = 17,740,597,719.71
  5. Step 5: Solve for x
    x = 17,740,597,719.71/151,757.12
  6. Step 6: Final answer
    x = 116,901.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.